If you wish to roast yourself to the point of driving with windows open in -10 degree weather - NEWS FLASH!!! This is a 12v portable heater. It does what it says....Read complete review

If you wish to roast yourself to the point of driving with windows open in -10 degree weather - NEWS FLASH!!! This is a 12v portable heater. It does what it says. It defogs (not defrost), it warms (not heat/burn). If you run it for 2 hours hoping to heat your home, it will burn out. If you hope to heat a carful of children, wife, dogs and the family kangaroo on a 3000 mile drive, start buying the economy pack of fuses or enter into a contract with a fuse manufacturer, alert the fire department & start looking for a new car, because you're going to need all of them...

VS

Most Liked Negative Review

Helps but is not a solution

My truck's heater core went out this weekend. I noticed the smell of antifreeze in the cab this morning when I turned on the defroster - I got a lot of what looked like...Read complete review

My truck's heater core went out this weekend. I noticed the smell of antifreeze in the cab this morning when I turned on the defroster - I got a lot of what looked like mist coming out of the vents. I searched the internet and it looks like a $500 job to replace it on a truck I don't plan on keeping very long. I saw this online and went to Harbor Freight and picked it up. This unit helps but is not a permanent or absolute fix. It only puts out a little heat and has a small fan. I plan on putting piece of tape over the red running light to hide it at night. It never fully defogged the windshield but looked like it was helping.

Not sure what all of these people are complaining about. This is a 12 volt heater that plugs into cigarette lighter, it's NOT a 5000BTU room heater. You car's charging system can't handle any more than this thing is putting out. Good lord, stop complaining and use your brain!

Use to clear the glass windshield on my garden tractor snow blower hard cab. Wired it to a lighter receptacle and inserted a 20 amp fuse holder in line directly connected to the battery. Works as anticipated for a low output defroster/fan. Very satisfied.

If you wish to roast yourself to the point of driving with windows open in -10 degree weather - NEWS FLASH!!! This is a 12v portable heater. It does what it says. It defogs (not defrost), it warms (not heat/burn). If you run it for 2 hours hoping to heat your home, it will burn out. If you hope to heat a carful of children, wife, dogs and the family kangaroo on a 3000 mile drive, start buying the economy pack of fuses or enter into a contract with a fuse manufacturer, alert the fire department & start looking for a new car, because you're going to need all of them...

This won't replace a dash heater by any means. This is just to direct about 120watts (about 315 btus) of heat into a particular spot. The fan isn't all that powerful, doesn't need to be for the heat that is being generated.

Driving from Houston to Dallas to South Central Missouri and back put the heater under a severe test (16 hours each way). But, it sure was nice having it blow warm air, from under the seat, onto my feet (driver) or back seat passengers.

My heat is out so I am desperate. Took nearly 20 minutes to be comfortable. Defrost was good enough for my side. The temps are in the 40's. Other posts are right on. Low heat output. The cigaret plug fuse burnt the first day. I place another 15 amp and will test the next cold spell. Again this is temporary.

puts out some heat that helps if you do not have a heater or can supplement, but it burnt my cigarette lighter out. I had a 15 amp fuse in the car plus an extension that is fused plus the heater fuse. None blew but the ligher burnt out. It does warn you, but I returned. Got a full refund. the only way to use this is bypass the cig lighter and use its own fuse. if you can do that, this is a decent heater for the money.

I drive an older vehicle in upstate New York, (cold). Thought, Hey for $10.00, it can't hurt". It's pretty much worthless. Did not blow fuses, but it has such a wimpy fan motor and heating element that it could run all day and not defrost anything up here. I decided not to take it back and try some modifications to soup it up a little. It wan't worth the effort, it's really just a toy.

I gave it a try hoping that it would work for my daughters rear window. Maybe the climate is too cold in NH for it. I tried it out on 2 different 12V fused power ports. I also tried it in my truck with a higher output alternator and still too low. When I returned it I was told that there were a lot of returns on the product, including some of them melted. That I could not see happening with the fuse and low heat output. On the brighter side it gave me another reason to go back to the store and buy some more great items. Employees were fantastic to deal with no hassles with the return. Thank you!

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